Light guide for an LED lamp



FIG. 1 is a perspective view of the ornamental design for the light guide of an LED lamp;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof; wherein no part of the design is visible.

The broken line disclosure is for environmental purposes only, and does not form a part of the claimed design. 

CLAIM The ornamental design for a light guide for an LED lamp, as shown and described. 